In the WRC, all-conquering teams and drivers usually come in pairs – Miki Biasion and Lancia, Carlos Sainz and Toyota, Tommi Makinen and Mitsubishi, Marcus Gronholm and Peugeot to name a few of them. However all of these past greats have paled into insignificance compared to one duo that has been unstoppable since what feels like the dawn of time these days – Sebastien Loeb and Citroen.